worst-case scenario, should syria deploy chemical weapons, and america is forced to take action, the pentagon estimates it would take 75,000 troops to seize all the regime's weapons. syria is one of eight countries that have not signed in 1992 convention banning chemical weaponry. other countries refusing to sign our israel and north korea and egypt. a u.n. conference in dubai is underway right now. new questions about internet freedom. two dozen countries, including iran, syria, north korea, could be making decisions affecting communications worldwide. catherine herridge has more in washington. reporter: thank you, megyn, and good afternoon. the international telecommunications union, this conference in dubai is viewing rules established long before the internet became a primary method of communication. the u.n. body could impact every day vacation. >> this could affect every cell phone tablet personal computer in the world. pretty much every chip in every type of consumer devices have an ip address associated with them. therefore, there are proposals that the there be a registry for each of